REFRIGERATING AND FREEZING DEVICE Russian patent published in 2020 - IPC F25D11/02 F25D25/02 B01D53/22 

FIELD: cooling or freezing equipment.

SUBSTANCE: disclosed is a refrigerating and a freezing device comprising box-like housing (20), an air-conditioning membrane assembly (30) and air pump (41), wherein box-like housing (20) has skin (21), a shell and a heat-insulating layer, storage space for the storage container is located in the jacket, and the storage container has a space for maintaining freshness with air conditioning inside, the air conditioning membrane assembly (30) is configured such that more oxygen than nitrogen in the air flow in the space surrounding the air conditioning membrane assembly, penetrates through air conditioning membrane (31), passing into oxygen enriched gas collecting chamber, and air pump (41) is located in heat-insulating layer, and inlet end of air pump (41) is communicated with chamber for collection of oxygen-enriched gas for air conditioning assembly (30) by means of pipeline for bleeding gas, penetrating into chamber for collection of oxygen enriched gas, beyond storage container.

EFFECT: broader functional capabilities.

7 cl, 6 dwg